-ol b-p bbb bbe bbi bbl bbm bbo bbp be- beb bee bei bel bem beo bep bi- bib bie bii bil bim bio bip blb ble bli bll blm blo blp bmb bme bmi bml bmm bmo bmp bob boe boi bol bom boo bop bpb bpe bpi bpl bpm bpo bpp ebb ebe ebi ebl ebm ebo ebp eeb eee eel eem eeo eep eib eie eii eil eim eio eip elb ele eli ell elm elo elp em- emb eme emi eml emm emo emp eo- eob eoe eoi eol eom eoo eop ep- epb epe epi epl epm epo epp ibb ibe ibi ibl ibm ibo ibp ie- iee iei iel iem iep iib iie iii iil iim iio iip il- ilb ile ili ill ilm ilo ilp im- imb ime imi iml imm imo imp io- iob ioe ioi iol iom ioo iop ipb ipe ipi ipl ipm ipo ipp l-p lbb lbe lbi lbl lbm lbo lbp leb lee lei lel lem leo lep lib lie lii lil lim lio lip llb lle lli lll llm llo llp lmb lme lmi lml lmm lmo lmp lob loe loi lol lom loo lop lpb lpe lpi lpl lpm lpo lpp m-o mbb mbe mbi mbl mbm mbo mbp meb mee mei mel mem meo mep mi- mib mie mii mil mim mio mip mlb mle mli mll mlm mlo mlp mmb mme mmi mml mmm mmo mmp mob moe moi mol mom moo mop mpb mpe mpi mpl mpm mpo mpp o-i ob- obb obe obi obl obm obo obp oeb oee oei oel oem oeo oep oib oie oii oil oim oio oip olb ole oli oll olm olo olp om- omb ome omi oml omm omo omp oo- oob ooi ool oom ooo oop op- opb ope opi opl opm opo opp p-p pbb pbe pbi pbl pbm pbo pbp peb pee pei pel pem peo pep pib pie pii pil pim pio pip plb ple pli pll plm plo plp pmb pme pmi pml pmm pmo pmp pob poe poi pol pom poo pop ppb ppe ppi ppl ppm ppo ppp